18249560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9311}}^1$

素因数の和:9336

約数の個数: 48

約数和(自身を含む): 47770560

約数和(自身を除く): 29521000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9311, 18622, 37244, 46555, 65177, 74488, 93110, 130354, 186220, 260708, 325885, 372440, 456239, 521416, 651770, 912478, 1303540, 1824956, 2281195, 2607080, 3649912, 4562390, 9124780, 18249560]

約数ペア:

[(1, 18249560), (2, 9124780), (4, 4562390), (5, 3649912), (7, 2607080), (8, 2281195), (10, 1824956), (14, 1303540), (20, 912478), (28, 651770), (35, 521416), (40, 456239), (49, 372440), (56, 325885), (70, 260708), (98, 186220), (140, 130354), (196, 93110), (245, 74488), (280, 65177), (392, 46555), (490, 37244), (980, 18622), (1960, 9311)]